using System;

​

    class MPS

{ 

    public string category;

    public int tires;

    public int regNumber;

    public MPS(int tires, int regNumber, string category)

    { this.tires = tires;

    this.regNumber=regNumber;

    this.category=category; }

​

    public void Print()

{   Console.WriteLine("Category:" + category); Console.WriteLine("Tires: " + tires);

    Console.WriteLine("Registration number: " + regNumber); } }

​

    class Motorcycle: MPS

{ 

    private const int NUMBER_OF_WHEELS = 2;

    private const string CATEGORY = "A";

    public Motorcycle(int regNumber): base(NUMBER_OF_WHEELS, regNumber, CATEGORY)

   { } }

​

  class Car : MPS

{   private const int NUMBER_OF_WHEELS = 4;

    private const string CATEGORY="B";

    public Car(int regNumber): base (NUMBER_OF_WHEELS, regNumber, CATEGORY)

    {   } }

  public class Program 

{   public static void Main(string[] args)

    {   Motorcycle motorcycle = new Motorcycle(6454);

        motorcycle.Print();

        Car car = new Car(2513);

        car.Print(); }  

}